These entries are queried from radb.net using whois, you can try my project getting these.
:AS18911 route: 74.123.156.0/24 descr: MarketFactory, Inc descr: 425 Broadway, 3rd Floor descr: New York, NY 10013 descr: US origin: AS18911 mnt-by: MNT-MARKE-121 changed: noc [at] marketfactory.com 20160414 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.123.157.0/24 descr: MarketFactory, Inc descr: 425 Broadway, 3rd Floor descr: New York, NY 10013 descr: US origin: AS18911 mnt-by: MNT-MARKE-121 changed: noc [at] marketfactory.com 20100715 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.123.157.0/24 descr: RCN-CSR-MARKET_FACTORY origin: AS18911 mnt-by: MAINT-AS27506 changed: dataoperations [at] rcnmetro.com 20100720 #17:50:03Z source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.123.158.0/24 descr: MarketFactory, Inc descr: 425 Broadway, 3rd Floor descr: New York, NY 10013 descr: US origin: AS18911 mnt-by: MNT-MARKE-121 changed: noc [at] marketfactory.com 20100503 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.123.159.0/24 descr: MarketFactory origin: AS18911 notify: net-support [at] ap.equinix.com notify: ap-noc [at] ap.equinix.com mnt-by: MAINT-EQUINIXPAC changed: armilyn-boco.baris [at] ap.equinix.com 20130620 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source